严重的问题是被污染了的空气悬浮在地球表面。
The serious problem is that the polluted air is hovering over the surface of earth.
本文研究表明空气悬浮包衣法包衣效果良好，此技术尤适用于颗粒、微丸的包衣。
The results in this paper show that the coating effect is good and this technology is suitable for the coating of granules and pellets.
世界气象组织的科学家对地面臭氧、烟雾、空气悬浮微粒子、二氧化硫、一氧化碳之类的污染物质进行评估监测。
WMO scientists assess and monitor air pollutants such as ground-level ozone, smog, particulate matter, sulfur dioxide and carbon monoxide.
应用推荐